5381666 has 8 divisors (see below), whose sum is σ = 8085504. Its totient is φ = 2686500.

The previous prime is 5381653. The next prime is 5381669. The reversal of 5381666 is 6661835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5381669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (1010688).

Almost surely, 2^5381666 is an apocalyptic number.

5381666 is a deficient number, since it is larger than the sum of its proper divisors (2703838).

5381666 is a wasteful number, since it uses less digits than its factorization.

5381666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336.

The product of its digits is 25920, while the sum is 35.

The square root of 5381666 is about 2319.8418049514. The cubic root of 5381666 is about 175.2422875273.

The spelling of 5381666 in words is "five million, three hundred eighty-one thousand, six hundred sixty-six".